Category: Physics

How do I calculate time duration in Excel? Another simple technique to calculate the duration between two times in Excel is using the TEXT function: Calculate hours between two times: =TEXT(B2-A2, “h”) Return hours and minutes between 2 times: =TEXT(B2-A2, “h:mm”) Return hours, minutes and seconds between 2 times: =TEXT(B2-A2, “h:mm:ss”) How do I calculate […]

What is able to melt the snow? Paraffin wax can help the roads melt snow on their own because of its nature. Made up of paraffin oil, it’s a phase change material, meaning as it moves from an liquid to a solid (as it cools down) it releases a thermal heat. Does rain melt lake […]

How do you know if a dryer heating element is bad? If your dryer takes longer than usual to dry your clothes, or the air in the dryer never heats, your heating element might be bad. What causes a dryer element to burn out? A dryer’s heating element operates on the same principle as the […]

What material can be used to measure volume of liquid? Chemists use beakers, flasks, burets and pipets to measure the volume of liquids. What instruments do you use to measure volume? A graduated cylinder is one instrument used to measure volume. Graduated cylinders are available in several sizes. The user reads the volume from the […]

Does Russia still use the Red Star? State military units The Russian Air Force used this star as a roundel up to 2013, when Russia re-instated the Soviet-era red star. As of 2014 the Armed Forces of Belarus still use the old Soviet red star. What is the race of a Russian? The Russians (Russian: […]

Why is latitude 180 degrees? “Longitude” goes 360 degrees, 180 East to 180 West, to cover the entire 360 degrees around the equator. But if latitude did the same thing, every point on the earth would be covered twice! So latitude only has to cover 180 degrees, from the north pole to the south pole. […]

What Hall voltage is produced by a 0 What is Hall effect and Hall voltage? The Hall effect is the production of a voltage difference (the Hall voltage) across an electrical conductor that is transverse to an electric current in the conductor and to an applied magnetic field perpendicular to the current. It was discovered […]

What is the correct order highest temperature on top for stellar classification? The seven main types are M, K, G, F, A, B and O. M stars are the coldest stars and O stars are the hottest. What is the main sequence stage? The main sequence is the stage where a star spends most of […]

Is the symbol for chlorine Cl or CI? Chlorine is a chemical element with symbol Cl and atomic number 17. Classified as a halogen, Chlorine is a gas at room temperature….Chlorine. Atomic Mass 35.45u Year Discovered 1774 What is the classification for chlorine? Chlorine is in group 17 of periodic table, also called the halogens, […]

What are examples of constructive criticism? 6 constructive criticism examples that will help you do it right Attendance. Not helpful: “You’re always late to work. Work quality. Not helpful: “The last few projects you’ve turned in are terrible! Motivation. Not helpful: “You need to stop slacking off at work. Teamwork. Time management. Communication. How do […]